Answered: Q12 = In a one-tailed hypothesis test…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Q12 = In a one-tailed hypothesis test (lower tail Ha <) with a sample size of 15 and sample standard deviation of 5 the test statistic is determined to be 2.80 The final p-value for this test is:

0.025 to 0.05

0.4974

0.01 to 0.005

0.01 to 0.025

Q13 = For a one-tailed hypothesis test (LOWER TAIL Ha ) with a sample size of and a sample standard deviation of 1.20at 90% confidence level the critical value is (e.g. value of t)

-1.680

+1.667

-1.645

-1.294

Q14 = In the past, 75% of the tourists who visited Chattanooga went to see Rock City. Due to the pandemic the management of Rock City are interested in determining whether the pandemic resulted in a decrease proportion of tourists visiting Rock City. The correct set of hypotheses to determine if the proportion of visitors to Rock City has decreased is:

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